Home / 136,283.04-204,413.76-42,786.36

Finding the Fourth Proportional to 136,283.04, 204,413.76 and 42,786.36

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Solution

The fourth proportional to 136,283.04, 204,413.76 and 42,786.36 is: 64,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,283.04 : 204,413.76 = 42,786.36 : x
  2. Step 2: Convert to fraction form
    136,283.04/204,413.76 = 42,786.36/x
  3. Step 3: Cross multiply
    136,283.04x = 204,413.76 × 42,786.36
  4. Step 4: Simplify right side
    136,283.04x = 8,746,120,724.31
  5. Step 5: Solve for x
    x = 8,746,120,724.31/136,283.04
  6. Step 6: Final answer
    x = 64,176.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.